1. Same
  2. More
  3. Less
  4. Less or more depending on operating conditions
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1 Answers

Answer: Option 2

The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is more. A fuel consumption of 1 litre per 100km corresponds to approximately 26.5g CO2/km for diesel and 23g CO2/km for petrol, depending on the exact composition of the fuel.

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